Experiment 6.1 Electrolysis of Water

Objective:

To review equations with ratios and percents., To decompose water with electrolysis into hydrogen and oxygen

Activities

Review ratios and percents
Lab 6.1 Electrolysis of Water

Vocabulary

Pure substances
Decomposition
Compound
Electrolysis

Resources:

Assessment

Grade lab
Chapter 6 test
teacher observation

NJ - Core Curriculum Content Standards (2002)
{SCI.7-8.5.1.8 A.2} Communicate experimental findings to others.
{SCI.7-8.5.1.8 A.4} Recognize that curiosity, skepticism, open-mindedness, and honesty are attributes of scientists.
{SCI.7-8.5.1.8 B.3} Collect, organize, and interpret the data that result from experiments.
{SCI.7-8.5.1.8 C.1} Know when and how to use appropriate safety equipment with all classroom materials.
{SCI.7-8.5.1.8 C.2} Understand and practice safety procedures for conducting science investigations.
{SCI.7-8.5.3.8 A.1.b} percents.
{SCI.7-8.5.6.8 B.2} Show that in most chemical reactions energy is transferred into or out of a system.
{SCI.7-8.5.6.8 B.3} Demonstrate that regardless how substances within a simple closed system interact, the total mass of the system remains the same.